Amirah Nabiyah Khan, M.D.
NPI 1265775225ActiveIndividual· Internal Medicine, Gastroenterology· Brockton, MA
Internal Medicine, Gastroenterology (M.D.) in Brockton, Massachusetts, trained at University of Florida College of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $266,279 for 756 claims, against $76,542 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 5 companies reporting payments in 2025, $135.22 in all, mostly food and beverage.
Overview
| NPI | 1265775225 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2013 |
| Last updated in NPPES | May 17, 2021 |
| Certified by provider | May 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 266511 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 409 |
|---|---|
| Services billed | 613 across 30 procedure codes |
| Paid by Medicare | $76,542 |
Part D prescriptions in 2024
| Prescriptions (claims) | 756 · 1,299 30-day fills |
|---|---|
| Patients | 238 |
| Total drug cost | $266,279 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | University of Florida College of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Gis Services 2 LLCBrockton, MA · 9 clinicians
- Gastrointestinal Specialists, LLCBrockton, MA · 9 clinicians
Hospital affiliation
- Signature Healthcare Brockton HospitalBrockton, MA
Industry payments (Open Payments)
- 2025$135.22 · 7 payments from 5 companies
- 2024$181.36 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $38.56 | 2 |
| Madrigal Pharmaceuticals | $34.50 | 2 |
| Genzyme Corporation | $30.22 | 1 |
| Braintree Laboratories, Inc. | $16.39 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $15.55 | 1 |
What the 2025 payments were for
- Food and Beverage$135.22 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 gastroenterologists in Brockton · All gastroenterologists in Massachusetts